tldr/pages/common/watch.md

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watch

Execute a program periodically, showing output fullscreen. More information: https://manned.org/watch.

  • Repeatedly run a command and show the result:

watch {{command}}

  • Re-run a command every 60 seconds:

watch -n {{60}} {{command}}

  • Monitor the contents of a directory, highlighting differences as they appear:

watch -d {{ls -l}}

  • Repeatedly run a pipeline and show the result:

watch '{{command_1}} | {{command_2}} | {{command_3}}'